1. We hаve tо give equаl cоnsiderаtiоn to similar morally relevant interests. 2. An entity's ability to suffer shows that it has a morally relevant interest to not suffer.3. Humans have the ability to suffer.4. Humans have a morally relevant interest to not suffer. [2,3]5. Some (most) non-human animals have the ability to suffer.6. Some (most) non-human animals have a morally relevant interest to not suffer. [2,5]7. 8. We frequently prioritize our interest to not suffer compared to other non-human animals,or we ignore non-human animals' interest in not suffering.9. Therefore, we frequently do the wrong thing and demonstrate a lack of commitment toequality. [7,8]